When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-firefox-esralpine-linux-upgrade-firefox | Aug 22, 2024 | Jan 8, 2020 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo | Apr 27, 2020 | Jan 8, 2020 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jan 8, 2020 | |
| Centos_linux | — | centos-upgrade-firefoxcentos-upgrade-firefox-debuginfocentos-upgrade-firefox-debugsourcecentos-upgrade-thunderbirdcentos-upgrade-thunderbird-debuginfocentos-upgrade-thunderbird-debugsource | Dec 6, 2019 | Dec 5, 2019 |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Dec 12, 2019 | Dec 12, 2019 | |
| Gentoo Linux | gentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bingentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | Mar 13, 2020 | Jan 8, 2020 | |
| Mfsa2019 36 | mozilla-firefox-upgrade-71_0 | Dec 4, 2019 | Dec 3, 2019 | |
| Mfsa2019 37 | mozilla-firefox-esr-upgrade-68_3 | Dec 4, 2019 | Dec 3, 2019 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-68_3 | Dec 5, 2019 | Dec 3, 2019 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-mail-thunderbird-68-3-0-11-4-17-0-1-2-0oracle-solaris-11-4-upgrade-mail-thunderbird-plugin-thunderbird-lightning-68-3-0-11-4-17-0-1-2-0oracle-solaris-11-4-upgrade-web-browser-firefox-68-3-0-11-4-17-0-1-2-0oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-68-3-0-11-4-17-0-1-2-0 | Jan 19, 2021 | Jan 8, 2020 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird | Dec 12, 2019 | Dec 3, 2019 |
| Redhat_linux | redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource | Dec 6, 2019 | Dec 5, 2019 | |
| Suse | — | suse-upgrade-libfreebl3suse-upgrade-libfreebl3-32bitsuse-upgrade-libsoftokn3suse-upgrade-libsoftokn3-32bitsuse-upgrade-mozilla-nsprsuse-upgrade-mozilla-nspr-32bitsuse-upgrade-mozilla-nspr-develsuse-upgrade-mozilla-nsssuse-upgrade-mozilla-nss-32bitsuse-upgrade-mozilla-nss-certssuse-upgrade-mozilla-nss-certs-32bitsuse-upgrade-mozilla-nss-develsuse-upgrade-mozilla-nss-toolssuse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-buildsymbolssuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-other | Dec 21, 2019 | Dec 9, 2019 |
| Ubuntu | ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird | Dec 10, 2019 | Dec 9, 2019 |
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